Colored curable composition, color filter, and method for producing color filter

a color curable and composition technology, applied in the field of color curable composition, color filter, and method for producing color filter, can solve problems such as fastness problems of dyes

Active Publication Date: 2010-09-23
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Use of dyes in place of pigments as coloring agents has been proposed (see JP-A No. 2006-317893), but dyes have problems with respect to fastness.

Method used

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  • Colored curable composition, color filter, and method for producing color filter
  • Colored curable composition, color filter, and method for producing color filter
  • Colored curable composition, color filter, and method for producing color filter

Examples

Experimental program
Comparison scheme
Effect test

example 1

1-1. Preparation of Green Pigment Dispersion Liquid

[0232]—Preparation of green pigment dispersion liquid P1—

[0233]A mixed liquid containing 12.6 parts of a pigment mixture of C. I. Pigment Green 58 and C. I. Pigment Yellow 139 (mixed in a mass ratio of 100 / 55), 5.2 parts of a dispersant DISPERBYK 2001 (trade name, manufactured by BYK-Chemie (BYK), solid content 45.1% by mass), 2.7 parts of a dispersing resin P-1, and 78.3 parts of propylene glycol monomethyl ether acetate as a solvent was stirred and dispersed in a bead mill for 15 hours, thereby preparing a green pigment dispersion liquid.

1-2. Preparation of Red Pigment Dispersion Liquid

[0234]—Preparation of Red Pigment Dispersion Liquid P2—

[0235]A mixed liquid containing 12.1 parts of a pigment mixture of C. I. Pigment Red 254 and C. I. Pigment Yellow 139 (mixed in a mass ratio of 100 / 45), 10.4 parts of a dispersant DISPERBYK 2001 (trade name, manufactured by BYK-Chemie (BYK), solid content 45.1% by mass), 3.8 parts of a dispersin...

examples 2 to 19

Comparative Example 1

[0257]Evaluations were made in the same manner as in Example 1, except that the type and proportion of pigments used for the preparation of pigment dispersion liquids, the type and amount of the epoxy compound, the type of the initiator, and the proportions of these components were changed as listed in Table 1. The addition amount change of the epoxy resin was adjusted by changing the addition amount of the alkali soluble resin. The evaluation results are shown in Table 1.

TABLE 1Yellow pigmentEpoxy compoundEvaluation resultsRatio ofAverageViscosityPigmentnumber ofPhotopolym-Poly-AlkalichangeGreen 58functionalerizationmerizablesolubleNeedleoverYPigment nametheretoCompoundgroupsContentinitiatorcompoundresinmattertimevalueExample 1Pigment Yellow 139100 / 55EHPE-3150About 155.0%OXE-01M-1 / M-305P-1A+0.361.1Example 2Pigment Yellow 139100 / 55EHPE-3150About 150.9%OXE-01M-1 / M-305P-1C+0.361.1Example 3Pigment Yellow 139100 / 55EHPE-3150About 151.0%OXE-01M-1 / M-305P-1B+0.361.1Exam...

example 20

Making of Solid-State Image Pickup Device

[0260]As described in the following example, using the method of the invention for producing a color filter, a solid-state image pickup device was made using the colored curable composition for a solid-state image pickup device.

[0261]2-1. Preparation of Resist Liquid

[0262]The following composition were mixed and dissolved to prepare a resist liquid.

[0263]

Solvent: propylene glycol monomethyl ether acetate19.20 partsSolvent: ethyl lactate36.67 partsAlkali soluble resin: 40% PGMEA solution of benzyl30.51 partsmethacrylate / methacrylic acid / 2-hydroxyethylmethacrylate copolymer (molar ratio: 60 / 22 / 18,weight average molecular weight: 15,000)Compound containing an ethylenically unsaturated12.20 partsdouble bond: dipentaerythritol hexaacrylatePolymerization inhibitor: p-methoxyphenol0.0061 parts Fluorine surfactant: F-475, manufactured by 0.83 partsDainippon Ink And Chemicals, IncorporatedPhotopolymerization initiator: trihalomethyltriazine0.586 parts...

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Abstract

A colored curable composition for a solid-state image pickup device, including a polyhalogenated zinc phthalocyanine pigment, a photopolymerization initiator, a polymerizable compound, and an epoxy compound.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application claims priority under 35 USC 119 from Japanese Patent Application No. 2009-065053 filed on Mar. 17, 2009, the disclosure of which is incorporated by reference herein.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The invention relates to a colored curable composition suitable for making a color filter for a solid-state image pickup device such as a CCD or CMOS, a color filter obtained using the colored curable composition, and a method for producing the color filter.[0004]2. Description of the Related Art[0005]Color filters are essential components of solid-state image pickup devices. As a composition for a color filter, a negative type curable composition including a pigment dispersion liquid, an alkali soluble resin, a photopolymerizable monomer, and a photopolymerization initiator has been proposed (see, for example, Japanese Patent Application Laid-Open (JP-A) No. 2-199403). In recent years, color filt...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G03F7/20G03F7/004
CPCC08K5/0008G02B5/223C09B67/0064C09B67/0033G03F7/0007G03F7/028
Inventor TAKAKUWA, HIDEKITAGUCHI, HIROSHIAOYAGI, KAORU
Owner FUJIFILM CORP
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